1-8
: 1s cross RH, cast (2s step up), cross LH & cast round 4th crnr to Double
  Triangle pos facing own side.
9-16
: All set, 1s & 3rd corners turn 3/4 RH **while** 2nd corners advance
  diagonally; 1s chase 1/2 clockwise ending in Double Triangle position
  facing opposite sides **while** 2nd corners retire as 3rd corners
  set, 2s & 3s cross RH
17-24
: Repeat bar 9-16 from opposite sides ending on own sides, 1s give extra
  twirl optionally
25-32
: All dance 6H round & back 2 1 3